I flew my Perfect Flite minialt/wd in a 38mm bay made out of loc coupler and
two bulk heads with a #6 threaded rod holding the bulk heads together.
it flew dual deploy to 6742 on an Ellis Mountian I-134 long Burn motor. It's
It logs the whole flight and you can download the data.
If you only want to log the flight, the alt15k from perfect flight is only
$69 and fits a BT-20 tube !
I did a LOC Legacy that housed a Adept ALTS2. Very tight fit but
definetly doable. Perfectflight has a dual deployment alt thats even
smaller than the ALTS2 that should fit like a breeze.
How high do you plan on going?
(Some good altimeters only go to 15K, or 25K).
How much verticle room do you have?
Do you want the altimeter to do anything else?
(Like fire a chute, or dual-deployment)
How much money do you have?
IMHO, get a flight computer.
Is your rocket a Hybrid?
(R-DAS used to have problems with Hybrids)
Personally, I like the G-Wiz MC.
The Missile Works RRC2 fits perfectly in a 38mm coupling tube. Their
PDF instructions even give some guidelines about constructing such an
electronics bay. Refer to:
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